Surface Lattice Constants of Si(111), Ni(111) and Cu(111)

Abstract

Surface lattice constants of Si(111), Ni(111) and Cu(111) were measured by the method using a critical reflection of electron beams along a crystal surface. All results obtained were in very good agreement (less than 0.3% difference) with the corresponding lattice constants of bulk crystals and revealed no evidence showing any expansion of surface nets as already reported by other workers on Si(111) surface.